Hello!
You first unroll some (for example 100ft of the line), then attach
camera on picavet, then unroll more as required for your photo. Camera
is never up to the kite, it's allways that 100ft (or other distance, as
you attached the thing) down the line.
rgds
Sebastian Kaliszewski
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"Never underestimate the power of human stupidity" -- L. Lang
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http://www.tajga.org -- (some photos from my travels)